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Finding the Fourth Proportional to 17,147.66, 25,698.12 and 9,654.80

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Solution

The fourth proportional to 17,147.66, 25,698.12 and 9,654.80 is: 14,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.66 : 25,698.12 = 9,654.80 : x
  2. Step 2: Convert to fraction form
    17,147.66/25,698.12 = 9,654.80/x
  3. Step 3: Cross multiply
    17,147.66x = 25,698.12 × 9,654.80
  4. Step 4: Simplify right side
    17,147.66x = 248,110,208.98
  5. Step 5: Solve for x
    x = 248,110,208.98/17,147.66
  6. Step 6: Final answer
    x = 14,469.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.